[INFO] cloning repository https://github.com/simotin13/binary_tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simotin13/binary_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimotin13%2Fbinary_tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimotin13%2Fbinary_tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d42472235fb092f3ae699fa4babe9fa19d6c72f
[INFO] testing simotin13/binary_tracer against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimotin13%2Fbinary_tracer" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simotin13/binary_tracer on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simotin13/binary_tracer
[INFO] finished tweaking git repo https://github.com/simotin13/binary_tracer
[INFO] tweaked toml for git repo https://github.com/simotin13/binary_tracer written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/simotin13/binary_tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c088a7bb1e0d51186600c5e201f671c5caeb6ae475fa705d834a78469d8237f3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c088a7bb1e0d51186600c5e201f671c5caeb6ae475fa705d834a78469d8237f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c088a7bb1e0d51186600c5e201f671c5caeb6ae475fa705d834a78469d8237f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c088a7bb1e0d51186600c5e201f671c5caeb6ae475fa705d834a78469d8237f3", kill_on_drop: false }`
[INFO] [stdout] c088a7bb1e0d51186600c5e201f671c5caeb6ae475fa705d834a78469d8237f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b005cad3ff0c98afa122a64fcabf37a0f91d8a9cd57531ad624288edbd09117a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b005cad3ff0c98afa122a64fcabf37a0f91d8a9cd57531ad624288edbd09117a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling binary_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Stdio`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::Stdio;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Events`, `Poll`, `Token`
[INFO] [stdout]  --> src/gdbmi.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mio::{Events, Poll, Token};
[INFO] [stdout]   |           ^^^^^^  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |             ELFOSABI_SYSV => println!("  OS/ABI:{:28}Alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |             ELFOSABI_LINUX => println!("  OS/ABI:{:28}Compatibility alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |             ELFOSABI_SYSV => println!("  OS/ABI:{:28}Alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |             ELFOSABI_LINUX => println!("  OS/ABI:{:28}Compatibility alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf_dword`
[INFO] [stdout]    --> src/elf.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut buf_dword: [u8; 8] = Default::default();
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf_dword`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/elf.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut buf_dword: [u8; 8] = Default::default();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gdbmi.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut proc = Command::new("gdb").
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Elf32Sword`
[INFO] [stdout]  --> src/elf.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Elf32Sword    = i32;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Elf64Sword`
[INFO] [stdout]   --> src/elf.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Elf64Sword    = i32;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SIZE_ELF32_SWORD`
[INFO] [stdout]   --> src/elf.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const SIZE_ELF32_SWORD: usize   = mem::size_of::<Elf32Sword>();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SIZE_ELF64_SWORD`
[INFO] [stdout]   --> src/elf.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const SIZE_ELF64_SWORD: usize   = mem::size_of::<Elf64Sword>();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ET_NUM`
[INFO] [stdout]   --> src/elf.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | const ET_NUM:u16    = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `timeout`
[INFO] [stdout]  --> src/gdbmi.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     timeout: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "b005cad3ff0c98afa122a64fcabf37a0f91d8a9cd57531ad624288edbd09117a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b005cad3ff0c98afa122a64fcabf37a0f91d8a9cd57531ad624288edbd09117a", kill_on_drop: false }`
[INFO] [stdout] b005cad3ff0c98afa122a64fcabf37a0f91d8a9cd57531ad624288edbd09117a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caf4508585020397c42217908f59833f75f42c04b09feebb38e1b08eb8a80613
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "caf4508585020397c42217908f59833f75f42c04b09feebb38e1b08eb8a80613", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Stdio`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::Stdio;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Events`, `Poll`, `Token`
[INFO] [stdout]  --> src/gdbmi.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mio::{Events, Poll, Token};
[INFO] [stdout]   |           ^^^^^^  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |             ELFOSABI_SYSV => println!("  OS/ABI:{:28}Alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |             ELFOSABI_LINUX => println!("  OS/ABI:{:28}Compatibility alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |             ELFOSABI_SYSV => println!("  OS/ABI:{:28}Alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |             ELFOSABI_LINUX => println!("  OS/ABI:{:28}Compatibility alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf_dword`
[INFO] [stdout]    --> src/elf.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut buf_dword: [u8; 8] = Default::default();
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf_dword`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/elf.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut buf_dword: [u8; 8] = Default::default();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gdbmi.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut proc = Command::new("gdb").
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Elf32Sword`
[INFO] [stdout]  --> src/elf.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Elf32Sword    = i32;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Elf64Sword`
[INFO] [stdout]   --> src/elf.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Elf64Sword    = i32;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SIZE_ELF32_SWORD`
[INFO] [stdout]   --> src/elf.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const SIZE_ELF32_SWORD: usize   = mem::size_of::<Elf32Sword>();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SIZE_ELF64_SWORD`
[INFO] [stdout]   --> src/elf.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const SIZE_ELF64_SWORD: usize   = mem::size_of::<Elf64Sword>();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ET_NUM`
[INFO] [stdout]   --> src/elf.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | const ET_NUM:u16    = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `timeout`
[INFO] [stdout]  --> src/gdbmi.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     timeout: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "caf4508585020397c42217908f59833f75f42c04b09feebb38e1b08eb8a80613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf4508585020397c42217908f59833f75f42c04b09feebb38e1b08eb8a80613", kill_on_drop: false }`
[INFO] [stdout] caf4508585020397c42217908f59833f75f42c04b09feebb38e1b08eb8a80613
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a4495dc3a62a27afece67f5f0603df42597c2d55941f4b1ac8b5e9cd7e4f275
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a4495dc3a62a27afece67f5f0603df42597c2d55941f4b1ac8b5e9cd7e4f275", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::process::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Stdio`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::process::Stdio;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Events`, `Poll`, `Token`
[INFO] [stderr]  --> src/gdbmi.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mio::{Events, Poll, Token};
[INFO] [stderr]   |           ^^^^^^  ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/elf.rs:227:13
[INFO] [stderr]     |
[INFO] [stderr] 227 |             ELFOSABI_SYSV => println!("  OS/ABI:{:28}Alias.", ""),
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/elf.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |             ELFOSABI_LINUX => println!("  OS/ABI:{:28}Compatibility alias.", ""),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/elf.rs:357:13
[INFO] [stderr]     |
[INFO] [stderr] 357 |             ELFOSABI_SYSV => println!("  OS/ABI:{:28}Alias.", ""),
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/elf.rs:361:13
[INFO] [stderr]     |
[INFO] [stderr] 361 |             ELFOSABI_LINUX => println!("  OS/ABI:{:28}Compatibility alias.", ""),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf_dword`
[INFO] [stderr]    --> src/elf.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let mut buf_dword: [u8; 8] = Default::default();
[INFO] [stderr]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf_dword`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/elf.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let mut buf_dword: [u8; 8] = Default::default();
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gdbmi.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut proc = Command::new("gdb").
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Elf32Sword`
[INFO] [stderr]  --> src/elf.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Elf32Sword    = i32;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Elf64Sword`
[INFO] [stderr]   --> src/elf.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | type Elf64Sword    = i32;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `SIZE_ELF32_SWORD`
[INFO] [stderr]   --> src/elf.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const SIZE_ELF32_SWORD: usize   = mem::size_of::<Elf32Sword>();
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `SIZE_ELF64_SWORD`
[INFO] [stderr]   --> src/elf.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const SIZE_ELF64_SWORD: usize   = mem::size_of::<Elf64Sword>();
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ET_NUM`
[INFO] [stderr]   --> src/elf.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | const ET_NUM:u16    = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `timeout`
[INFO] [stderr]  --> src/gdbmi.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     timeout: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `binary_tracer` (bin "binary_tracer" test) generated 17 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/binary_tracer-c2422503c232fee7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a4495dc3a62a27afece67f5f0603df42597c2d55941f4b1ac8b5e9cd7e4f275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4495dc3a62a27afece67f5f0603df42597c2d55941f4b1ac8b5e9cd7e4f275", kill_on_drop: false }`
[INFO] [stdout] 6a4495dc3a62a27afece67f5f0603df42597c2d55941f4b1ac8b5e9cd7e4f275